1972–1973
Benjamin B. Smith, 1970
Gemini G.E.L., 2002
Gemini G.E.L., 1987
Gemini G.E.L., 1996
Gemini G.E.L., 1977
Bruce Nauman, 1985
Gemini G.E.L., 1982
Gemini G.E.L., 1973
Gemini G.E.L., 1971
Gemini G.E.L., 1967
George Page, 1972
Benjamin B. Smith, 1966
![Untitled (Web 4) [special proof]](https://api.nga.gov/iiif/ff98802d-4ecd-4ff0-a061-982822fe71f4/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 12]](https://api.nga.gov/iiif/1a184783-2ff6-4408-af96-4f3147195f5c/full/843,/0/default.jpg)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/0fc75009-e3a8-42bd-8f95-8abb502b1043/full/843,/0/default.jpg)
![Zone [trial proof]](https://api.nga.gov/iiif/ac089abd-a62b-4356-971b-e8cff96a8112/full/843,/0/default.jpg)
